243044020304 has 20 divisors (see below), whose sum is σ = 471434758164. Its totient is φ = 121383437568.

The previous prime is 243044020301. The next prime is 243044020319. The reversal of 243044020304 is 403020440342.

It can be written as a sum of positive squares in 2 ways, for example, as 150963331600 + 92080688704 = 388540^2 + 303448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243044020301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8646317 + ... + 8674380.

Almost surely, 2^243044020304 is an apocalyptic number.

It is an amenable number.

243044020304 is a deficient number, since it is larger than the sum of its proper divisors (228390737860).

243044020304 is a wasteful number, since it uses less digits than its factorization.

243044020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17321582 (or 17321576 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 243044020304 its reverse (403020440342), we get a palindrome (646064460646).

The spelling of 243044020304 in words is "two hundred forty-three billion, forty-four million, twenty thousand, three hundred four".